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# include <iostream>
using namespace std;
int P[26];
int NP[26];
int main()
{
    int n;
    cin >> n;
    string A,B;
    cin >> A >> B;
    for (int i=0; i<n; i+=2)
    {
        P[A[i]-'a']++;
    }
    for (int i=0; i<n; i+=2)
    {
        P[B[i]-'a']--;
    }
    for (int i=1; i<n; i+=2)
    {
        NP[A[i]-'a']++;
    }
    for (int i=1; i<n; i+=2)
    {
        NP[B[i]-'a']--;
    }
    for (int i=0; i<26; i++)
    {
        if (NP[i]!=0 || P[i]!=0)
        {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
    return 0;
}